<!DOCTYPE HTML>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <meta name="renderer" content="webkit"/>
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/>
</head>
<body>
<div style="text-align:center;margin-top:200px; font-size:30px;">
    ${code}
</div>
</body>
</html>